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Black 288-pin DDR5 UDIMM module, no heat spreader, 16GB 4800 CL40 1.1V

OWC

OWC 16GB DDR5 4800 CL40 1.1V Non-ECC UDIMM Kingston KVR48U40BS8-16 desktop RAM

SKU CH-HAPT-4RXHG

A 16 GB DDR5 4800 CL40 desktop module at 1.1 V, non-ECC and unbuffered, for simple performance upgrades

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forDesktops
  • 16 GB DDR5 4800 CL40 boosts multitasking speed
  • 1 V operation reduces power draw and heat
  • 288-pin UDIMM fits standard desktop DIMM slots
  • JEDEC compliant build ensures warranty-safe upgrades
  • 1Rx8 single-rank layout simplifies installation on most boards

16 GB DDR5 4800 UDIMM

This 16 GB DDR5 4800 module is a JEDEC-standard unbuffered DIMM built for desktop, workstation, NAS and all-in-one systems. It runs at 1.1 V with CL40 latency and uses a 1Rx8 288-pin layout without a heat spreader.

Suitable for JEDEC DDR5 platforms

The stick fits any desktop or workstation that accepts 288-pin DDR5 UDIMMs at 4800 MT/s and 1.1 V. Systems requiring ECC, registered modules, lower voltage or a different pin count should use a different part.

1.1 V operating voltage

The 1.1 V requirement is the single specification that decides compatibility; the motherboard and CPU memory controller must support this exact voltage for the module to function.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $201.99
Pricier than about 68% of the 3,647 comparable items (median $90.99).
Total capacity 16 GB
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $12.62 per GB
Pricier than about 78% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number4U8D51R816 GB
Total capacity16 GB
Product colorBlack
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Questions about this item

What DDR5 speed and CAS latency does this 16 GB module run at?

It operates at 4800 MT/s with a CL40 timing, matching the PC5-38400 JEDEC standard.

Does the 288-pin UDIMM fit a standard desktop DIMM slot without a heat spreader?

Yes, the bare 288-pin unbuffered DIMM uses the standard desktop form factor and has no heat spreader to clear tall CPU coolers.

What voltage must the motherboard supply for this 1.1 V DDR5 kit to work?

The module requires the standard DDR5 1.1 V; enable the JEDEC default profile in BIOS so the board does not apply a higher voltage.

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